St. Mary Parish, LA has a population of 53,053 people with a median age of 38.1 and a median household income of $40,771. Between 2015 and 2016 the population of St. Mary Parish, LA declined from 53,441 to 53,053, a 0.73% decrease and its median household income declined from $40,781 to $40,771, a 0.02% decrease.
The population of St. Mary Parish, LA is 56.4% White, 31.3% Black, and 6.47% Hispanic. 10.2% of the people in St. Mary Parish, LA speak a non-English language, and 97% are U.S. citizens.
The largest universities in St. Mary Parish, LA are South Central Louisiana Technical College-Young Memorial Campus, with 4,124 graduates, N/A, with N/A graduates, and N/A, with N/A graduates.
The median property value in St. Mary Parish, LA is $95,500, and the homeownership rate is 64.9%. Most people in St. Mary Parish, LA commute by Drove Alone, and the average commute time is 20.4 minutes. The average car ownership in St. Mary Parish, LA is 2 cars per household.
St. Mary Parish, LA is the 20th most populated county in Louisiana and borders Assumption Parish, LA; Iberia Parish, LA; St. Martin Parish, LA; and Terrebonne Parish, LA.